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Samuel Walter Johnson Smith 
Summary
Samuel Walter Johnson Smith FRS[1] (26 January 1871 - 20 August 1948) was an English physicist.
He studied Natural Sciences at Trinity College, Cambridge[2] and became Professor of Physics at the University of Birmingham in 1919, where he succeeded J.H. Poynting.[1]
He was the son of Walter Mackersie Smith and an elected Fellow of the Royal Society.[1]
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